<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
<style>
    td{
        width: 80px;
        height: 50px;
        background-color: #ff0000;
        text-align: center;
        color: white;
    }
    td:hover{
        background-color:rgb(255, 165, 0);
    }
</style>

    <table>
        <tr>
            <td>导航1</td>
            <td>导航2</td>
            <td>导航3</td>
            <td>导航4</td>
            <td>导航5</td>
        </tr>
    </table>
</body>
</html>